What most directly causes hypertension?

lack of blood flow to the heart.

a weakening of a blood vessel wall

excessive force to blood pumping

injury to heart muscle

The excessive force of the blood that is being pumped within the blood vessels cause hypertension. This disease is often associated with an inactive lifestyle, poor diet, and genetics. First aid for hypertension includes putting a cold pack at the nape while elevating the leg higher than the level of the heart.